VALIDATING AND VALUATING PAPER CURRENCY BILLS

1 . A method, comprising:

obtaining a first plurality of identifiers associated with a first plurality of paper currency bills, wherein the first plurality of identifiers are obtained from the first plurality of paper currency bills at least in part by wireless communication with the first plurality of paper currency bills;

determining whether each of the first plurality of identifiers associated with the first plurality of paper currency bills is valid, including comparing each of the first plurality of identifiers associated with the first plurality of paper currency bills to a first set of valid identifiers; and

determining a value of the first plurality of paper currency bills, utilizing the first plurality of identifiers.

2 . A method as recited in claim 1 , further comprising electronically recording the value of the first plurality of paper currency bills, and sending the recorded value to a central server accessible via a network.

3 . A method as recited in claim 1 , wherein the first plurality of paper currency bills are arranged in a stacked configuration.

4 . A method as recited in claim 1 , wherein each of the first plurality of paper currency bills comprises a passive radio frequency identification (RFID) tag.

5 . A method as recited in claim 1 , wherein the first plurality of paper currency bills are present at a table, and the wireless communication with the first plurality of paper currency bills includes an interrogation signal sent from a directional antenna coupled to a lower surface of the table.

6 . A method as recited in claim 1 , wherein the first plurality of identifiers are changeable.

7 . A method as recited in claim 1 , further comprising outputting an alert in response to determining that one or more of the first plurality of identifiers associated with the first plurality of paper currency bills is not valid.

8 . A computer program product, the computer program product comprising: a non-transitory computer readable medium having computer code stored thereon, the computer code comprising:

computer code for obtaining a first plurality of identifiers associated with a first plurality of paper currency bills, wherein the first plurality of identifiers are obtained from the first plurality of paper currency bills at least in part by wireless communication with the first plurality of paper currency bills;

computer code for determining whether each of the first plurality of identifiers associated with the first plurality of paper currency bills is valid, including comparing each of the first plurality of identifiers associated with the first plurality of paper currency bills to a first set of valid identifiers; and

computer code for determining a value of the first plurality of paper currency bills, utilizing the first plurality of identifiers.

9 . A computer program product as recited in claim 8 , further comprising computer code for electronically recording the value of the first plurality of paper currency bills, and sending the recorded value to a central server accessible via a network.

10 . A computer program product as recited in claim 8 , wherein the first plurality of paper currency bills are arranged in a stacked configuration.

11 . A computer program product as recited in claim 8 , wherein each of the first plurality of paper currency bills comprises a passive radio frequency identification (RFID) tag.

12 . A computer program product as recited in claim 8 , wherein the first plurality of paper currency bills are present at a table, and the wireless communication with the first plurality of paper currency bills includes an interrogation signal sent from a directional antenna coupled to a lower surface of the table.

13 . A computer program product as recited in claim 8 , wherein the first plurality of identifiers are changeable.

14 . A computer program product as recited in claim 8 , further comprising outputting an alert in response to determining that one or more of the first plurality of identifiers associated with the first plurality of paper currency bills is not valid.

15 . A system, including a hardware processor for performing a method, the method comprising:

obtaining a first plurality of identifiers associated with a first plurality of paper currency bills, wherein the first plurality of identifiers are obtained from the first plurality of paper currency bills at least in part by wireless communication with the first plurality of paper currency bills;

determining whether each of the first plurality of identifiers associated with the first plurality of paper currency bills is valid, including comparing each of the first plurality of identifiers associated with the first plurality of paper currency bills to a first set of valid identifiers; and

determining a value of the first plurality of paper currency bills, utilizing the first plurality of identifiers.

16 . A system as recited in claim 15 , where the method further comprises electronically recording the value of the first plurality of paper currency bills, and sending the recorded value to a central server accessible via a network.

17 . A system as recited in claim 15 , wherein the first plurality of paper currency bills are arranged in a stacked configuration.

18 . A system as recited in claim 15 , wherein each of the first plurality of paper currency bills comprises a passive radio frequency identification (RFID) tag.

19 . A system as recited in claim 15 , wherein the first plurality of paper currency bills are present at a table, and the wireless communication with the first plurality of paper currency bills includes an interrogation signal sent from a directional antenna coupled to a lower surface of the table.

20 . A system as recited in claim 15 , wherein the first plurality of identifiers are changeable.